Prevent uncleared memory leaking in rw_i93.cc

Bug: 139738828
Test: manual
Change-Id: I4e330d4ad1380dbd1e695f81b8183ca8b182b114
Exempt-From-Owner-Approval: new owner approved
(cherry picked from commit d8948d4a1fbb00abecc72227a1910d94633a84e8)
1 file changed